2500591892 has 6 divisors (see below), whose sum is σ = 4376035818. Its totient is φ = 1250295944.

The previous prime is 2500591871. The next prime is 2500591913. The reversal of 2500591892 is 2981950052.

It is an interprime number because it is at equal distance from previous prime (2500591871) and next prime (2500591913).

It can be written as a sum of positive squares in only one way, i.e., 1571805316 + 928786576 = 39646^2 + 30476^2 .

It is a super-2 number, since 2×2500591892² = 12505919620672279328, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312573983 + ... + 312573990.

It is an arithmetic number, because the mean of its divisors is an integer number (729339303).

Almost surely, 2^2500591892 is an apocalyptic number.

It is an amenable number.

2500591892 is a deficient number, since it is larger than the sum of its proper divisors (1875443926).

2500591892 is a wasteful number, since it uses less digits than its factorization.

2500591892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625147977 (or 625147975 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 2500591892 is about 50005.9185697053. The cubic root of 2500591892 is about 1357.3159093171.

The spelling of 2500591892 in words is "two billion, five hundred million, five hundred ninety-one thousand, eight hundred ninety-two".